Examples with JsonParser com.fasterxml.jackson.core.JsonParser used on opensource projects

Example 16 with JsonParser

use of com.fasterxml.jackson.core.JsonParser in project openhab1-addons by openhab.

the class JsonWeatherParser method parseInto.

/**
     * {@inheritDoc}
     */
@Override
public void parseInto(InputStream is, Weather weather) throws Exception {
    JsonFactory jsonFactory = new JsonFactory();
    JsonParser jp = jsonFactory.createParser(is);
    jp.nextValue();
    handleToken(jp, null, weather);
    jp.close();
    super.parseInto(is, weather);
}

Example 17 with JsonParser

use of com.fasterxml.jackson.core.JsonParser in project orientdb by orientechnologies.

the class OGraphSONUtility method vertexFromJson.

/**
   * Creates a vertex from GraphSON using settings supplied in the constructor.
   */
public Vertex vertexFromJson(final InputStream json) throws IOException {
    final JsonParser jp = jsonFactory.createParser(json);
    final JsonNode node = jp.readValueAsTree();
    return this.vertexFromJson(node);
}

Example 18 with JsonParser

use of com.fasterxml.jackson.core.JsonParser in project presto by prestodb.

the class JsonFunctions method jsonArrayContains.

@SqlNullable
@ScalarFunction
@SqlType(StandardTypes.BOOLEAN)
public static Boolean jsonArrayContains(@SqlType(StandardTypes.JSON) Slice json, @SqlType(StandardTypes.BOOLEAN) boolean value) {
    try (JsonParser parser = createJsonParser(JSON_FACTORY, json)) {
        if (parser.nextToken() != START_ARRAY) {
            return null;
        }
        while (true) {
            JsonToken token = parser.nextToken();
            if (token == null) {
                return null;
            }
            if (token == END_ARRAY) {
                return false;
            }
            parser.skipChildren();
            if (((token == VALUE_TRUE) && value) || ((token == VALUE_FALSE) && (!value))) {
                return true;
            }
        }
    } catch (IOException e) {
        return null;
    }
}

Example 19 with JsonParser

use of com.fasterxml.jackson.core.JsonParser in project presto by prestodb.

the class JsonFunctions method jsonArrayLength.

@SqlNullable
@ScalarFunction
@SqlType(StandardTypes.BIGINT)
public static Long jsonArrayLength(@SqlType(StandardTypes.JSON) Slice json) {
    try (JsonParser parser = createJsonParser(JSON_FACTORY, json)) {
        if (parser.nextToken() != START_ARRAY) {
            return null;
        }
        long length = 0;
        while (true) {
            JsonToken token = parser.nextToken();
            if (token == null) {
                return null;
            }
            if (token == END_ARRAY) {
                return length;
            }
            parser.skipChildren();
            length++;
        }
    } catch (IOException e) {
        return null;
    }
}

Example 20 with JsonParser

use of com.fasterxml.jackson.core.JsonParser in project presto by prestodb.

the class JsonFunctions method jsonArrayContains.

@SqlNullable
@ScalarFunction
@SqlType(StandardTypes.BOOLEAN)
public static Boolean jsonArrayContains(@SqlType(StandardTypes.JSON) Slice json, @SqlType(StandardTypes.BIGINT) long value) {
    try (JsonParser parser = createJsonParser(JSON_FACTORY, json)) {
        if (parser.nextToken() != START_ARRAY) {
            return null;
        }
        while (true) {
            JsonToken token = parser.nextToken();
            if (token == null) {
                return null;
            }
            if (token == END_ARRAY) {
                return false;
            }
            parser.skipChildren();
            if ((token == VALUE_NUMBER_INT) && ((parser.getNumberType() == NumberType.INT) || (parser.getNumberType() == NumberType.LONG)) && (parser.getLongValue() == value)) {
                return true;
            }
        }
    } catch (IOException e) {
        return null;
    }
}